Antonyms of VITIATE

Examples of usage:

  1. He takes special pains to give minute directions in relation to the subject, and warns those who may undertake the work of organization, to avoid mistakes- some of which he points out- that may easily be made, and would vitiate the undertaking. "History of American Socialisms" by John Humphrey Noyes
  2. The first is, as we have seen, that it is an economy of means to use our defensive positions for attack when attack does not vitiate those positions, and it will not vitiate them if fleet cruisers operate with restraint. "Some Principles of Maritime Strategy" by Julian Stafford Corbett
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